package com.libl.service;

import java.util.List;

public interface StatService {
    //用户统计
    List<String> findUserDay();
    Integer findUsersByDay(String day);
    //订单统计
    List<String> findOrderDay();
    List<Integer> findOrdersByDay(String day);
    List<Integer> findCustomersByDay(String day);
    List<Double> findAmountByDay(String day);
    List<Double> findPcrByDay(String day);
    //商品统计
    List<String> findGoodsDay();
    List<Integer> findOrderByDay(String day);
    List<Integer> findProductByDay(String day);
    List<Double> findAmountsByDay(String day);

}
